#define _CRT_SECURE_NO_WARNINGS 1
using namespace std;
#include <algorithm>

template<class T>
void swap(T* a, T* b)
{
	T c = *a;
	*a = *b;
	*b = *c;
}

int main()
{
	int a = 10;
	int b = 20;
	int* pa = &a;
	int* pb = &b;
	swap(a, b);
	swap(&a, &b);
	swap(pa, pb);
	swap(&pa, &pb);
	int arr(100);
	vector<int> edges(100);
	return 0;
}

struct A
{
	int a;
	int b;
};
